R
Rebecca MaloneAug 11, 2025
What to do if the Endress+Hauser Security Sensors LED is red but there is no voltage?
- KKayla DavisAug 11, 2025
If the voltage for the sensor isn't detected but the alarm is still triggered, and there are no wiring issues between the transmitter and the Sensor I/F Ex box, then replace the transmitter.